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US 10,207,788 B2Granted
Structure having joined unitary structures
AssigneeThe Boeing Company
InventorsDouglas Reinhard Ludin, Michael Joseph DeLuca, Peter Holemans
Life of this patent
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Abstract
A method and apparatus are presented. The apparatus comprises a first unitary structure, a second unitary structure, and a number of joints between the first unitary structure and the second unitary structure. The first unitary structure has a plurality of T-shaped cross-sections. The second unitary structure has a plurality of T-shaped cross-sections.
Claims18
An apparatus that comprises:
- a first unitary structure comprising a first plurality of T-shaped cross-sections;
- a second unitary structure comprising a second plurality of T-shaped cross-sections;
- and
- I-shaped cross sections formed by a number of joints between the first unitary structure and the second unitary structure, such that the number of joints comprise:
- a height, above a shorter section of the second plurality of T-shaped cross sections in the second unitary structure, configured to control a shear load from a bending moment of the I-shaped cross sections;
- a number of openings in a center of a longer section of the T-shaped cross sections of the second unitary structure configured to receive a number of protrusions of the first unitary structure;
- and
- adhesive within the number of openings.
5 more elements
A method comprising:
- forming a first unitary structure comprising a first plurality of T-shaped cross-sections;
- curing a composite skin to a second unitary structure, comprising a second plurality of T-shaped cross-sections, along a shorter section of the second plurality of T-shaped cross-sections;
- forming I-shaped cross-sections via joining the first unitary structure and the second unitary structure via forming a number of joints between the first unitary structure and the second unitary structure via applying an adhesive to a number of openings in a center of a longer section of the second plurality of T-shaped cross-sections of the second unitary structure and inserting a number of protrusions of the first unitary structure into the number of openings;
- and
- controlling a shear load from a bending moment of the I-shaped cross sections via a height, above a shorter section of the second plurality of T-shaped cross sections in the second unitary structure, of the number of joints.
2 more elements
A method comprising:
- co-curing a first plurality of T-shaped stiffeners to form a first grid;
- co-curing a second plurality of T-shaped stiffeners to form a second grid;
- and
- forming I-shaped cross sections via combining the first plurality of T-shaped stiffeners with the second plurality of T-shaped stiffeners via forming a number of joints between the first grid and the second grid via applying an adhesive to a number of openings in a center of a longer section of the second plurality of T-shaped cross-sections of the second grid and inserting a number of protrusions of the first grid into the number of openings of the second grid, the joint comprising a height, above a shorter section of the second plurality of T-shaped cross sections in a unitary structure, controlling a shear load from a bending moment in the I-shaped cross sections.
1 more element
Dependencies are inferred from the claim text.